JamVM – A compact Java Virtual Machine

Re:JamVM – A compact Java Virtual Machine by chc on Monday September 22, 2014 @03:24PM (#8352074)

Couldn't you say the same of J2ME?

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Re:JamVM – A compact Java Virtual Machine by joncrocks on Monday September 22, 2014 @04:13PM (#8352354)

True enough. I might have mis-stated things slightly.

I think the only difference might be the portability. Android takes 'Java' code and outputs 'android machine code' that can/does only runs on an 'android machine' (I think).

Compiled Java in theory should run the same on any JVM, as it's virtual machine code, and the 'machines' use the same set of defined instructions.

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Re:JamVM – A compact Java Virtual Machine by pjmlp on Monday September 22, 2014 @06:09PM (#8352950)

The same applies to other JVMs in the embedded space.

For example, J9, http://www-01.ibm.com/software/wireless/wece/features.html

==> jar2jxe: A utility for converting Java class and archive files to the native J9 JXE file format.

Or JamaicaVM Builder

https://www.aicas.com/cms/sites/default/files/jamaicavm_6.3_...

The big difference between these JVM and Dalvik, is that they are certified JVMs, whereas Google tried to workaround the licensing issue for embedded Java deployments.

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